S1142A Datasheet, PDF (18/32 Pages) Seiko Instruments Inc – HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION

HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1142A/B Series
Rev.4.2_00
 Characteristics (Typical Data)
1. Output voltage vs. Output current (When load current increases) (Ta = +25°C)
1. 1 V_OUT = 2.0 V
2.5
2.0
13.5 V
1.5
VIN = 3.0 V
1.0
0.5
4.0 V
0
0 100 200 300 400 500 600 700 800
IOUT [mA]
1. 2 V_OUT = 5.0 V
6
5
4
3
2
VIN = 5.5 V
6.0 V
13.5 V
7.0 V
1
0
0 100 200 300 400 500 600 700 800
IOUT [mA]
1. 3 V_OUT = 12.0 V
14
12
13.5 V
10
VIN = 12.5 V
8
13.0 V
6
4
2
0
0 100 200 300 400 500 600 700 800
IOUT [mA]
Remark In determining the output current, attention should
be paid to the following.
1. The minimum output current value and
footnote *4 of Table 7 in the " Electrical
Characteristics"
2. Power dissipation of the package
2. Output voltage vs. Input voltage (Ta = +25°C)
2. 1 V_OUT = 2.0 V
2.2
2.1
2.0
1.9
IOUT = 1 mA
1.8
30 mA
1.7
50 mA
1.6
1.5
0
5 10 15 20 25 30
VIN [V]
2. 3 V_OUT = 12.0 V
12.4
12.2
12.0
IOUT = 1 mA
11.8
30 mA
11.6
11.4
50 mA
11.2
11.0
10
15
20
25
30
VIN [V]
2. 2 V_OUT = 5.0 V
5.2
5.1
5.0
4.9
IOUT = 1 mA
4.8
30 mA
4.7
50 mA
4.6
4.5
0
5 10 15 20 25 30
VIN [V]
18
Seiko Instruments Inc.